... or yellowish powder, sweet taste, toxic, insoluble in water. Color changed at sunlight.It is mainly ... , specific density 7.10, insoluble in water, soluble in nitric acid, soluble in chlorhydric acid, ammonium acetate and sodium ... yellow at 135 , it turns yellow in sunlight, especially in wet condition.Quality Standard:HG2340-92.AppearanceWhite ... sieve(250mesh)%≤0.30 PVC Stabilizer-Tribasic Lead Sulphate